Nihonium (Nh) – Periodic Table (Element Information & More)

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Nihonium (Nh) element Periodic table

This is a SUPER easy guide on Nihonium element.

In fact, the table mentioned below is the perfect information box (Which gives you every single detail about the Nihonium element in Periodic table.)

So if you want to know anything about Nihonium element, then this guide is for you.

Let’s dive right into it!

Nihonium Element (Nh) Information

State (at STP)Solid (predicted)
Position in Periodic tablenihonium in periodic table (Position)
Group: 13, Period: 7, Block: p
CategorySynthetic element
Atomic number or 
Protons		113
Electrons113
SymbolNh
Atomic mass of Nihonium (most stable isotope) Nihonium (Nh) atomic mass
286 u
Electrons arrangement

or 

Bohr model		Bohr model of nihonium (Electrons arrangement in nihonium, Nh)
2, 8, 18, 32, 32, 18, 3
Electronic configuration[Rn] 5f14 6d10 7s2 7p1
Crystal structure (predicted)crystal structure of nihonium
HCP (hexagonal close packed)
Melting point (predicted)430 °C
Boiling point (predicted)1130 °C
Density16 g/cm3
Main isotope286Nh
CAS number54084-70-7

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Nihonium in Periodic table

Nihonium element is in group 13 and period 7 of the Periodic table. Nihonium is the p-block element and it is a radioactive synthetic element.

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Why is Nihonium in Group 13?

Why is Nihonium in Group 13

Do you know, how many electrons can be accommodated in the first shell, second shell, third shell, fourth shell, etc…?

Here is the table showing the capacity of orbits to hold electrons. 

Number of electrons in shells.

Orbit / Shell (n)Maximum no. of electrons this orbit can hold (2 × n2)
K shell, n = 12 × 1² = 2
L shell, n = 22 × 2² = 8
M shell, n = 32 × 3² = 18
N shell, n = 42 × 4² = 32
.
.
.		.
.
.

Thus, 

  • 1st shell can hold 2 electrons.
  • 2nd shell can hold 8 electrons.
  • 3rd shell can hold 18 electrons.
  • 4th shell can hold 32 electrons, and so on…

Now the atomic number of Nihonium (Nh) is 113.

Hence the nihonium element has electrons arrangement 2, 8, 18, 32, 32, 18, 3.

This electron arrangement indicates that the outermost orbit of nihonium element (Nh) has 3 electrons.

Hence, it lies in group 13.

Why is Nihonium in Period 7?

Why is Nihonium in Period 7

Let me ask you a question.

How many shells does nihonium have?

It’s 7. Right? 

You have already seen the bohr model of nihonium atom in the above table.

From the Bohr model, it can be found that the number of orbits or shells in nihonium is 7. Hence, as nihonium has 7 orbits, it lies in period 7 of the Periodic table. 

5 facts about Nihonium

Interesting facts about nihonium element are mentioned below.

  1. The name “Nihonium” came from the name “Nihon”, which is a japanese name for “Japan”.
  2. Nihonium was discovered by a team of scientists at the Joint Institute for Nuclear Research (Russia) in 2003, and by another team of scientists at Riken (Japan), in 2004
  3. Nihonium is an artificially prepared element and it is not available naturally.
  4. There are 8 different isotopes of nihonium and all those isotopes are radioactive in nature.
  5. Out of the 8 known isotopes of nihonium, the most stable isotope is 286Nh and it has a half life of only 10 seconds.

Properties of Nihonium

The physical and chemical properties of nihonium element are mentioned below.

  • Nihonium element is highly radioactive and it has a very short life.
  • It is predicted that nihonium has a solid phase at room temperature.
  • The predicted crystal structure of nihonium is HCP (hexagonal close packed).
  • The calculated atomic mass of the most stable isotope of nihonium is 286 u and its density is predicted to be 16 g/cm3.
  • Nihonium is expected to have +1 oxidation state, but it also shows +3 oxidation states just like the other group 13 elements.

Uses of Nihonium

Nihonium is generally used for scientific study. Nihonium has no commercial use due to its very less production and high radioactivity.

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External resources:

  1. Nihonium – Wikipedia. (2010, March 16). Nihonium – Wikipedia. https://en.wikipedia.org/wiki/Nihonium
  2. Nihonium – Element information, properties and uses | Periodic Table. (n.d.). Nihonium – Element Information, Properties and Uses | Periodic Table. https://www.rsc.org/periodic-table/element/113/nihonium
  3. P. (n.d.). Nihonium | Nh (Element) – PubChem. Nihonium | Nh (Element) – PubChem. https://pubchem.ncbi.nlm.nih.gov/element/Nihonium
  4. It’s Elemental – The Element Nihonium. (n.d.). It’s Elemental – the Element Nihonium. https://education.jlab.org/itselemental/ele113.html

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